其它促成催化的因素来自结合水分子,金属离子或其它因子。
Additional contributions to catalysis can come from bound water molecules, metal ions, or other factors.
和人工催化剂相比,酶所包裹的金属离子种类十分有限。
Compared with artificial catalysts, enzymes are wrapped around a relatively limited range of metals at their core.
金属离子可以是辅助因素的催化中心,也可以帮助形成酶活性所必须的构象。
The metal ion may be the catalytic center of the cofactor, or it may serve to bind the enzyme and substrate together to hold the enzyme in a catalytically active conformation.
在许多天然酶中,由于金属离子的存在,对其催化活性有较大的影响。
Significant effects can be found in the catalysis activities of natural enzymes due to the presence of metal ions.
本文综合介绍南开牌D72离子交换树脂的性能及其在水处理、生化制药、催化反应和冶理含金属废水中的应用。
This review describes the properties of Nankai D72 ion exchange resin, and its application in the water treatment, biochemistry, catalytic reaction and waste treatment containing heavy metals.
二氢杨梅素抗氧化活性优异,其作用机制是通过螯合金属离子,从而消除其对自由基氧化的催化作用。
Dihydromyricetin has excellent antioxidant activity. Its antioxidant activity embodies by chelating metal ion and clear the catalysis to free radical oxidation.
比较了不同金属离子对叶琳自组装膜性质的改变和对自组装膜催化能力的影响。
The difference of the catalytic capacity with different metal ions in SAMs were compared.
本文用荧光光谱法初步研究了卟啉与金属离子配位反应机理和部分催化剂的催化机理。
The present paper covers the mechanism of coordination reaction of porphyrins with some metal ions studied by fluorometry and the catalytic mechanism of some catalysts.
综述了异羟肟酸类化合物的合成及其近年来在催化氧化和高选择性络合金属离子的应用研究新进展。
This article reviews the synthesis of hydroxamic acid, and its new applications in the fields of catalytic oxidation as well as highly selective complexation with metal ions.
在氧化法去除含硫脱毛碱膨胀废水内主要污染物硫化物的过程中,考察了13种金属离子交换蒙脱石的催化氧化能力。
The catalytic oxidation ability of 13 metal ion-exchanged montmorillonites are investigated in oxidative removal of the sulfides which are the main pollutant in the moult and alkali swell waste water.
在经活化处理的基体表面上,镀液中金属离子被催化还原形成金属镀层的过程。
In the activation treatment on the surface of substrate, the plating metal ions was catalyzed reduction metal coating process of formation.
为了确保催化剂顺利进行化学反应,要尽量减少炭中灰份,金属离子等各种杂质含量。
In order to ensure the smooth progress of the chemical reaction catalyst, to minimize carbon in ash content of various impurities, metal ions.
交联及催化体系; (5)印花色浆中的金属离子;
The system of crosslinking and catalyst: 5. Metallic ions added to printing paste;
由于矿物晶格中含有催化剂金属离子,大洋锰结核是天然的催化剂。
Marine manganese nodule containing a large amount of metallic cations is a natural catalyst.
研究结果还表明,过渡金属盐改性离子液体对稠油的改质具有催化作用。
The results also indicate that metal ion modified ionic liquids have catalytic effect on the upgradin…
[32]刘祥虎。金属离子与染料分子相互作用对染料分子催化降解的影响[d]。上海:同济大学,2008。
LIU Xiang-hu. Metal ions interact with dye molecules and its effect on the catalytic degradation of dye molecules [d]. Shanghai: Tongji University, 2008.
以苯酚为原料,复合金属离子为催化剂,研究用气相氧化合成苯醌,用铁粉还原苯醌制对苯二酚的两步法工艺,考察了氧化过程中的工艺条件对反应的影响。
The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.
研制了用于尾气净化的低温等离子体催化反应器,该反应器由介质阻挡放电型低温等离子发生器和金属蜂窝载体催化剂组成。
Cold plasma-catalytic reactor for exhaust purification was developed, where the reactor was consisted by two parts including dielectric barrier discharge system and metal honeycomb substrate catalyst.
化学镀液中的镍离子在催化中心的作用下,被还原成金属镍原子而沉积下来。
Nickel coating is deposited through REDOX reaction in the presence of catalytic centers.
研究结果还表明,过渡金属盐改性离子液体对稠油的改质具有催化作用。
The results also indicate that metal ion modified ionic liquids have ca…
中心金属离子周围的电子效应和空间效应影响着催化剂的反应性能和所得聚合物的微观结构。
The steric and electronic configuration around the center metals has profound effect on the polymerization activity and the stereo - and regio-selectivity of the resulting polymers.
中空纤维离子交换膜广泛应用于蛋白质的分离纯化、重金属离子的去除以及酶催化反应等众多领域。
Hollow fiber ion-exchange membrane is widely used in many areas such as protein separation and purification, removal of heavy metal ion and enzyme immobilization.
通过混合用过的催化剂、金属和布朗斯台德酸以加氢混合聚合物 来对已经被所述混合聚合物失活的所述用过的酸性离子液体催化剂进 行再生。
A used acidic ionic liquid catalyst, which has been deactivated by conjunct polymers, is regenerated by combining the used catalyst, a metal and a Broensted acid to hydrogenate the conjunct polymer.
首先过渡金属配合物作为许多天然核酸酶的模型通过对其研究我们可以了解天然酶的催化机理及金属离子的作用;
First, we can understand the catalysis mechanism and the role of the metal in it through studying the transition metal complex as the model of natural nucleases;
该催化剂是将沸石与氧化铝先混合成型、制成载体,然后用铵离子将沸石中的钠离子交换至一定交换度,再用铂金属进行浸渍而制成的。
The said catalyst is prepared through mix shaping of zeolite with alumina to make up carrier, exchanging na ions in zeolite with ammonium ions, and impregnating with Pt.
然而,两亲嵌段共聚物的传统的制备方法是有机金属催化剂催化的活性离子聚合法,故产物中难免会残留有毒的有机金属催化剂。
At present, block copolymers containing PCL and PEG chains are mainly prepared by active ionic polymerization using traditional chemical catalysts, some toxic organometallic compounds.
不同的金属离子改性表明:1。采用锌离子对催化剂进行改性,没有提高催化剂在烯烃存在时对噻吩的选择性。
The Zn modified catalyst has not improve the selectivity of catalyst for thiophene in model gasoline containing octene.
由于金属铜对次磷酸钠的氧化没有催化作用,需要加入镍离子作为催化剂。
The electroless copper plating system with sodium hypophosphite as the reducing agent has been received people's attention.
由于金属铜对次磷酸钠的氧化没有催化作用,需要加入镍离子作为催化剂。
The electroless copper plating system with sodium hypophosphite as the reducing agent has been received people's attention.
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